Tesis sobre el tema "BTP"
Crea una cita precisa en los estilos APA, MLA, Chicago, Harvard y otros
Consulte los 50 mejores tesis para su investigación sobre el tema "BTP".
Junto a cada fuente en la lista de referencias hay un botón "Agregar a la bibliografía". Pulsa este botón, y generaremos automáticamente la referencia bibliográfica para la obra elegida en el estilo de cita que necesites: APA, MLA, Harvard, Vancouver, Chicago, etc.
También puede descargar el texto completo de la publicación académica en formato pdf y leer en línea su resumen siempre que esté disponible en los metadatos.
Explore tesis sobre una amplia variedad de disciplinas y organice su bibliografía correctamente.
Tuminas, Paulius. "Verslo B2B transakcijų realizavimas panaudojant BTP protokolą". Master's thesis, Lithuanian Academic Libraries Network (LABT), 2008. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2008~D_20080716_100515-15941.
Texto completoThis work aim is to create information systems (IS), which can implement B2B transaction by using the Business Transaction Protocol (BTP). IS has only 50 years history, but without IS we can’t imagine modern business company. Now computers are usable in most leading edge areas and theirs needs and power always grows. We use its in distance learning, organizing distance work (work-net), expeditiously developing electronic business, appointing a lot off attention to modernize medicine, new possibilities for electronic libraries. This work can be used in all mentioned regions implementing data exchange among computers regardless their actions in business. Many companies store data in database or data centers, so if we want to realize exchange data among computer – our programmers have to avail a lot of energy and workforce to realize exchange from remote systems or databases, especially, if some services and data are in different databases. This work can realize data exchange simplification, which executes data exchange from unlimited numbers of business companies. It uses well-known BTP protocol from OASIS consortium to exchange data. All needed data we get from business participants using standard SQL queries. Thus people which are asking for data – in this work we can offer to get data from different databases platforms. To access system in different programming languages, data are implemented into standard SOAP1.1 protocol - where they will be transported in XML document... [to full text]
Casella, Philippe. "Continuité professionnelle et indépendance : la mise à son compte dans le BTP". Paris 5, 1987. http://www.theses.fr/1987PA05H100.
Texto completoSelf-employment is, in the bulding "artisanat", a professional stage career, and sometimes the last one. The craftindustry condition brings candidates with the most miscellanous plans (from the desire to improve one's position to the interest in working with one's). But, it's possible to explain independance as the end of a personal itinerary. The early vocatinal training, the nature of the paid works and of the acquainted field can modify the circumtances and the age of the settlind down. By setting, the general parameters of the settling down, the ups and downs of the former itinerary bear in the bud the probable developing ways of the firm. With the change in status, new acquired knowledge is put into light, (as the belonging in the professional circle or the local community) social ties find new ways of expression (especially in married ties), new success criteriors based on economical achievement, end up to the discrimination based on proficiency. However, the social, technical, business and bank repute is based on the professional ability recognition. The craftman's parteners are satisfied themselves with a carrer pathern, where the implied references are the one of trade. These very trade references one unable to illustrate the double capacity of integration an of discrimination characteristic to the "artisanat" : craftwork ignores the exact circumstances of the skill acquisition, it shows the same social recognition to the employer of many workers as it does to the professional helped by only one partner. But it process multiple signs (the craftman's sharing participation in the out up, the staff management method. . ) With alienate contractors who follow an industrial or business like pathern of development, remote from the leading principles of "artisanat"
Schweer, Helmut Théodor Roth Jean-Claude. "La sécurité sur les chantiers du BTP propositions de directive européenne en formation /". Metz : Université Metz, 2008. ftp://ftp.scd.univ-metz.fr/pub/Theses/2002/Schweer.Helmut.T.SMZ0207_1.pdf.
Texto completoSchweer, Helmut Théodor. "La sécurité sur les chantiers du BTP : propositions de directive européenne en formation". Metz, 2002. http://docnum.univ-lorraine.fr/public/UPV-M/Theses/2002/Schweer.Helmut.T.SMZ0207_1.pdf.
Texto completoHibouche, Akli. "Sol traités aux liants : performances hydro-mécaniques et hygro-thermiques : application en BTP". Thesis, Le Havre, 2013. http://www.theses.fr/2013LEHA0023/document.
Texto completoAEarthen construction is one of the most common construction technique used since the earliest times. The raw material is abundant, requires very little energy to manufacture, and does not generate waste. Building today with raw materials made from the earth requires outstanding mechanical performance from such non-fired materials. To achieve this performance, the treatment of the soil with binders is one of the techniques used to improve the strength and durability of these materials. The aim of the present PhD dissertation is to study the treated soils with binders for two different applications: an experimental compacted embankment for application in public works ( a dam innovative design, through the use of materials obtained by treatment with lime ) and earthen concrete called " Cematerre " for application in building ( walls and structural elements with good hygrothermal performance). In both cases, the goal is to characterize and possibly improve the mechanical strength, stiffness, hydric and hydraulic characteristics and the hygrothermal properties. For the earthen concrete " Cematerre ", the preliminary studies according to an experimental protocol under CSTB specifications have led to the so-called “ATEx A” official qualification. The next phase was to improve the formulation with the aim of improving the mechanical strength of the material. The design of experiments has been used to establish models formulations targeting the sought strength. The study of hygrothermal behavior of earthen concrete is addressed by analyzing the coupled transfer phenomenon of heat and moisture. Hygrothermal parameters were determined in the laboratory. The measurement of these parameters has allowed the realization of dynamic thermal simulations that have highlighted the benefit of this material when compared with standard concrete. For silt treated with lime and compacted, the results showed that the small strain modulus E increases with the confining stress and the curing time and decreases slightly with the strain level in the range of stress tested. A power law E = ßo1m describes the variation of the modulus, β and m are functions of the curing time and the strain level. Moreover, the coefficients of saturated and unsaturated permeability do not change with the curing time. The volumetric creep does not appear to be influenced by the curing time, i.e. , the increase in stiffness due to the development of pozzolanic reactions did not prevent the material from creeping as much after 28 days as after a year of curing time
Semcha, Abdélaziz Troalen Jean-Pierre. "Valorisation des sédiments de dragage : Applications dans le BTP, cas du barrage de Fergoug". Reims : S.C.D. de l'Université, 2006. http://scdurca.univ-reims.fr/exl-doc/GED00000521.pdf.
Texto completoBae, Hae Ryong. "Stabilisation / solidification des déchets : évaluation environnementale des perspectives d'utilisation de scories Waelz en BTP". Lyon, INSA, 1998. http://www.theses.fr/1998ISALO009.
Texto completoThe aim of these studies is the environmental evaluation of the WAELZ slag valorization (in a bulk state or •in substitution to granular). This evaluation needs the determination of wastes or waste materials leaching behavior in specified scenarii. Concerning the use of slag in bulk state we examined the scenario: embankment, filling and embanked road. The pollutants leaching behavior in bulk slag’s has been studied with different chemical backgrounds. This experimental study ha clearly shown that the species release is controlled by their solubility by the surrounding pH and by the nature of solid phases. Concerning the use of slags in partial replacement of granular in construction materials, we have also worked on three kinds of materials (mortar, concrete and sand cement) in which a part of granular is replaced by slag. The dynamic studies of monolithic materials release showed that soluble species release (Na, K, Ca) is well described by a diffusional phenomena and that principal pollutants are non detectable during distilled water leaching. The modelisation of the source term with percolation has been realized considering hydrodynamic model coupled with pollutant diffusion-dissolution model. The shrinking core model/flow with immobile zone is well adapted to describe calcium release. The characterization of phenomena and the identification of the characteristic parameters allow predicting the long term behavior of the material submitted to various leaching scenarii. This global study showed that the slag which was used had a good physical and chemical stability in contact with a concrete material. The use of slag in partial replacement of granular in construction material can be considered favorably
Semcha, Abdélaziz. "Valorisation des sédiments de dragage : Applications dans le BTP, cas du barrage de Fergoug". Reims, 2006. http://theses.univ-reims.fr/exl-doc/GED00000521.pdf.
Texto completoThis work is a contribution to the general study of the silting consequences of dams in Algeria. With an optic of durable development we begin with the presentation of the sedimentation phenomena and the studied site. After that we present the study of sediment properties before our proposals for their valorisation in BTP. The constructions of water storage are very importants for the population needs, in the regions depending on an agricole and a breeding economy and whose climatic conditions make impossible to exploite grounds without using an adequate system of irrigation. Our research concerns the possibilities of recovering the useful volumes of dams storage lost by silting. The dam of Fergoug located at the north-west of Algeria was in a recent past, the source of wealth for the town of Perregaux, but it was and remains the theatre of the erosion consequences. The first experiment of dredging with a sucker dredger in Algerie was made on this dam. From 1986 to 1989, 10 million m3 of mud were extracted and deposited downstream in coarsely arranged zones. The mud is involved again by erosion to oued la Macta. Since the dredging operations were necessary, it was also necessary for the assumption of responsibility of the repercussions for the rejection and storage of the dredged matters. The study of the valorization of the dredging sediments offers many ways being able to be exploited. The mud in a solid state, taken in the zone of rejection on Oued El Hammam in the area of Macta, stabilized with cement under particular conditions of temperature, moisture and pressure, gave compressive strengths comparable with those of sandlime brick. We present in this study the mode of activation, having led to the performances measured in experiments. In addition, the Algerian cement factories use, for the production of cement made up of type CEM II of raised class, a natural pozzolana. Our study brought us to the design of an artificial pozzolana by heat treatment of the argillaceous fraction of the muds resulting from the dam of Fergoug. Micro-tubes-test of hardened paste manufactured and tested in uniaxial pressing in order to consider of their pozzolanic reactivity. These results are compared with those obtained with the natural pozzolana of Beni-Saf, under the same experimental conditions
Elyamouri, Abdelaziz. "Les marches extérieurs des entreprises françaises de BTP et leurs incidences sur l'économie marocaine". Lille 1, 1986. http://www.theses.fr/1986LIL12018.
Texto completoThe research's subject consists in studing the activity of the french companies on the outside markets and their effects on the moroccan economy. The present investigation means to explain that :. At the first time, the main reasons concerning the development of the internationalization's process for the BTP's companies, depend to conjunctural factors (crisis in 1973 1974), and so historical factors which are bound at colonial conquests at the beginning of this century (it is the case of african countries). . At the second time, the early presence of BTP's companies within the moroccan economy during the protectorate phase (1912 1956), allowed to consolidate their social position on this market. At the third time, the french subsidiary companies, jointventure, are so adapted to the moroccan environment that they generate more favorable effects on the local economy than negatives effects
Škorpilová, Pavla. "Návrh marketingové komunikační strategie a návazných aktivit produktové řady BTP-06 společnosti JABLOCOM s.r.o". Master's thesis, Vysoká škola ekonomická v Praze, 2010. http://www.nusl.cz/ntk/nusl-113820.
Texto completoSteczek, Lukasz. "Complexation of actinides Am(III), Th(IV), Pu(IV) and U(VI) with poly-N-dentate ligands SO3-Ph-BTP and SO3-Ph-BTBP". Thesis, Montpellier, 2016. http://www.theses.fr/2016MONTT238/document.
Texto completoThe complexation of Th(IV), U(VI), Pu(IV) and Am(III) with the hydrophilic ligand SO3-Ph-BTP4–, and of Th(IV) and Pu(IV) with the hydrophilic SO3-Ph-BTBP4– ligand was studied. These new hydrophilic aromatic poly-N-dentate ligands are proposed, in the frame of recycling spent nuclear fuel, for a selective separation of actinides(III) from lanthanides(III) and from other fission products. The aim of this work was to compare the ability of the actinide ions to coordinate these N-dentate molecules. After some disappointing tests with classical spectroscopies, the method of liquid-liquid (solvent) extraction was applied to reach this goal. The extraction system consisted of two chelating ligands that competed for the actinide ions: a lipophilic tri-O-dentate neutral molecule of dioctylamide (TODGA) and a hydrophilic tri(or tetra)-N-dentate anion SO3-Ph-BT(B)P4–. The simple model we applied, well known in literature, considered chemical equilibria resulting in accumulation of the metal complexes with the lipophilic ligand in the organic phase, and those with the hydrophilic ligand – in the aqueous phase. With increasing concentration of the hydrophilic ligand (the concentration of the lipophilic ligand being constant) the equilibrium shifted towards the complexes with the hydrophilic ligand, and the distribution ratio of the metal decreased.The results have been interpreted in terms of the formation of 1:1 and 1:2 actinide complexes with tridentate SO3-Ph-BTP4– and only single 1:1 An(IV) complexes with tetradentate SO3-Ph-BTBP4– ligands in the two-phase systems studied. Two series of conditional stability constants of the complexes have been determined in our experiments: one set of the conditional stability constants, αL,i, related to 1 M nitrate media, whereas the other, βL,i, – to aqueous solutions of ionic strength I = 1 M, where the complexation by nitrates was taken into account. In the latter case, when the effect of the actinide complexation by nitrates was deducted, the conditional stability constants, βL,1, of the actinide complexes with SO3-Ph-BTP4– increase in the order UO22+ < Am3+ < Th4+ < Pu(IV), in accordance with the increasing z/r2 ratio (where z is the formal charge and r is the radius of the metal ion). The analysis of the βL,i values suggests that the electrostatic effects play the major role in the formation of the complexes between the poly-N-dentate ligands and actinides ions.Concerning the complexation of Am3+ with the tri-N-dentate SO3-Ph-BTP4– ligand, if we compare our results with the literature values for the analogous Cm3+ complexes studied by a spectroscopic (TRLFS) technique, the stability constants of 1:1 and 1:2 complexes of Am3+ are much lower, and its 1:3 complex has not been found by the solvent extraction method. The stability constants of the SO3-Ph-BTP and SO3-Ph-BTBP complexes with the actinides(IV) have not been reported yet in literature, therefore such comparison was impossible in this case. However, the expected 1:3 complexes of Pu(IV) and Th(IV) with the SO3-Ph-BTP4– ligand have not been found in our solvent extraction experiments as well. Similarly, only 1:1 Pu and Th complexes with the tetra-N-dentate SO3-Ph-BTBP4– ligand have been found by solvent extraction, in spite of that the 1:2 complexes were also expected. These surprising results could be a result of oversimplification of the used model of extraction, and should be completed by further spectroscopic studies to identify all the complexes formed in the two-phase system studied. Nevertheless, the stability constants determined in the solvent extraction experiments (“practical” stability constants) allow us to correctly describe and to predict the behaviour of metal ions in such two-phase systems
Nogues-Chollet, Fanny Tassy Véronique. "Risques psychosociaux et conducteurs de travaux dans le BTP prendre le risque du bien-être /". [S.l.] : [s.n.], 2007. http://castore.univ-nantes.fr/castore/GetOAIRef?idDoc=25156.
Texto completoCette double étude collective (par 90 questionnaires) et individuelle (grâce à une étude de poste approfondie) permet de confirmer le ressenti des médecins du travail qui témoignent d'un mal-être chez les conducteurs de travaux du BTP. De plus, elle apporte quelques pistes de réflexion quant l'évaluation des risques professionnels en entreprise qui ne doit pas omettre l'étude des facteurs psychosociaux, notamment chez les professionnels d'encadrement. Ainsi, la gestion temporelle des chantiers, mais également la charge émotionnelle supportée, l'utilisation du téléphone portable ou le rapport à l'alcool dans l'entreprise se révèlent être des champs d'investigation nécessaires pour espérer maintenir le conducteur de travaux dans son emploi. Bibliogr.
Abtal, Karim. "Arbitrage entre inertie et adaptation : les apports des théories évolutionnistes (le cas des entreprises du BTP)". Metz, 2004. http://www.theses.fr/2004METZ006D.
Texto completoPlas, Laurent. "Les représentation sociales des maîtres d'apprentissage et la production des compétences sociales des apprentis du BTP". Versailles-St Quentin en Yvelines, 2012. http://www.theses.fr/2012VERS014S.
Texto completoThis thesis has ground to the training by learning construction and more particularly the identification of social skills produced in the particular context of the dual training. This research builds on the speech of the Masters of learning and guardians of apprentices. It has three assumptions that after our research shows a lack of benchmarks for training in identification skills to produce in the context of learning in the construction trades on the one hand, the need for adapt the training arrangements in terms of individual and organization of training on the other hand and the need for these players to learn about the mastery of social interaction while opening several new avenues of study. The research thus demonstrating the dual nature of competence among produced learner and factual engenders a strong challenge concepts around methods, structures, content, organization, management and patterns of vocational training as well as learning process in subjects training. .
Malcurat, Olivier. "Modélisation d'un environnement logiciel d'assistance au travail collaboratif dans le secteur de l'architecture et du BTP". Vandoeuvre-les-Nancy, INPL, 2001. http://docnum.univ-lorraine.fr/public/INPL_T_2001_MALCURAT_O.pdf.
Texto completoOur work aims to specify and develop a groupware for the professionals in the building trade. Our motivation is the following one: the easyness and cheapness of creating virtual communities thanks to internet technology. Today, actors in the building industry show their wishes to take advantage of this recent opportunity, to improve global quality of design and construction processes, and reduce financial losses caused by communication errors. The current situation shows a gap between available softwares and professional practices which don't really integrate these new tools. Then, rather than thinking that people don't suit these tools, we think that tools are not suitable for people. We assume that the main reason of this maladjustment is that classic groupwares neglect the complexity of social dimension and focus on technical problems such as distributed data, scalability, need for speed, security. Without denying the importance of these problems, we intentionally emphasize social, economic and cultural dimensions
Cere, Arnaud. "L'influence du développement durable sur la gestion des risques dans l'entreprise : un cas dans le BTP". Thesis, Lyon 3, 2012. http://www.theses.fr/2012LYO30058.
Texto completoThe aim of this thesis is to analyse the influence of sustainable development on risk management within a company, regarding the social responsibility of the latter. The rich literature about this topic establishes a distinction between the utilitarian and the deontological conception that can complete each other to know better about the risk management linked to the CSR. The analysis in the literature has then focused on the determinants of the modern risk management and the importance of the coordination in the reliability of companies. In this perspective, a particular attention has been paid to Weick’s work, highlighting thus the notion of culture and the interrelations between people as determinatives of reliability. The thoughts on the economy of conventions enables to see sustainable development as a transformation of the constituent conventions of the company, the representations of its employees, and not only the rules of the company, operating at the level of the sphere of actions.This leads to the consider the theory of the social representations (Moscovici, Vergès...) in an instrumental way, and to associate it the economies of worth of Boltanski and Thévenot, with the aim to make understandable the ways that enables to go beyond the conflicts of interests that define a common good and enable to establish stable modalities of coordination.We have chosen for the study a company of the CPW field. This is a subsidiary company of a French group, located in the three following regions: Aquitaine, Midi-Pyrénées and Languedoc-Roussillon. At the time of the study, around 3600 persons were working in it.Our empirical research approach is based on a method combining qualitative and quantitative approaches in order to strengthen the validity of the research. An analysis of the social representations has been led through a questionnaire and face to face interviews with members of the workforce. This work offers an original interpretative framework of the contribution of a sustainable development strategy to the control of risks, beyond the implementation of classical management systems.Our work contributes to the analysis of means that can ease conflicts and that can be brought by the sustainable development regarding the social risk management. We highlight understandable elements of the influence of the integration of sustainable development on the coordination of people facing risks
Laneyrie, Cléo. "Valorisation des déchets de chantiers du BTP : comportement à haute température des béton des granulats recyclés". Thesis, Cergy-Pontoise, 2014. http://www.theses.fr/2014CERG0707/document.
Texto completoIn the past decade, constructions sites have been growing more than ever, and the aggregate production and importation are not sufficient any more to cover the needs in construction materials. The goal set in France is to re-use 20 more Mt each year of waste as recycled material for building sites before 2020.The objective of this experimental study is to assess the high temperature behavior of ordinary and high performance concrete made with recycled coarse aggregates (RCA). Concrete behavior at high temperature -expansion of aggregates, withdrawal of cement paste, increase of vapor pressure, chemical transformations...- can lead to several phenomena such as spalling, and a dramatic loss of mechanical properties. As aggregates occupy a large volume of concrete, around 60-80%, they play a major role in the heat and mass transfer into concrete during fire. Recycled coarse aggregates (RCA) being different from natural coarse aggregates (NCA) in many ways – higher porosity, double interfacial transition zone – it is essential to study recycled aggregate concrete behavior when submitted to high temperature.Two types of recycled coarse aggregates are used. An industrial one, obtained from a building demolition site and a laboratory one was obtained from a parent concrete (PC) mixed, cast and crushed in the laboratory. From both recycled aggregates, normal concrete (w/c = 0.6) and high performance concrete (w/c = 0.3) are cast. The four recycled concretes are compared to reference concretes, with the same formulation, made with silico-calcereous coarse natural aggregates. Concretes cylinders are subjected to heating/cooling cycles, up to 150, 300, 450 or 750°C. The heating rate is 0.5°C/min, and is followed by a 2 hours stage once the target temperature is reached, to insure an homogeneous temperature inside the cylinder. Cracks of concrete specimen are observed by optical microscopy, then their residual mechanical performances are measured (compressive strength, splitting tensile strength and dynamic young modulus). Their thermal behavior (conductivity, diffusivity, specific heat, thermal gradient during heating), and the evolution of their microstructure (loss of weight, porosity) are also studied.The study is completed with a Life Cycle Analysis were the life cycle of 1m3 of concrete is studied according three options. A scenario without recycling, a scenario were demolition waste are recycled into aggregates in-situ, a scenario were demolition waste are recycled into aggregates and transported to another construction site
Fauré, Bertrand. "Les activités de production de l'information budgétaire : communications organisationnelles et régulation -le cas d'une entreprise de BTP-". Toulouse 2, 2006. http://www.theses.fr/2006TOU20014.
Texto completoThe aim of this thesis is to contribute to a better understanding of the communication processes through which management tools structure organisations. What meanings are produced and reproduced during the circulation of accounting and management documents in businesses ? The field work addressed the budgetary process of building sites in two subsidiaries of a business in the building sector. The first part studies the regulations that structure the processes of producing budgetary information. These processes are constituted by a set of activities which contribute to the development of a provisional budget document for a site and which periodically analyse the differences between the forecasts and the outcomes. These regulations give rise to an organizational invention, a production of texts in and on the procedure. The notion of fabrique du budget emphasizes the fact that a budget appears in the form of hybrid documents which are multiply addressed and multiply backed up. This budget undergoes many transformations during its development and finalization by various actors. The second part studies how this textual system structures face-to-face interactions. The observations was carried out during monthly meetings dedicated to the budget in order to check the outcomes, measure shortfalls and decide corrective actions. It analyses the production of an interpretation at least partially shared between the operational and the management frameworks different in their terminologies, their aims and their justifications. The notion of actes de calcul enables understanding of how the language of numbers exerts a practical effect which intervenes during the dynamic interplay between communication processes and the production of documents. There are processes of interaction and positioning with respect to the rules for producing accounts, whose analysis brings out important characteristics of contemporary management. The budget is a method of decision and control, but it is also the result of an informational process that follows its own norms, such as the norms of the aesthetic of accounts and the display of managerial competence
Malcurat, Olivier. "Spécification d'un environnement logiciel d'assistance au travail collaboratif dans le secteur de l'architecture et du B.T.P". Phd thesis, Institut National Polytechnique de Lorraine - INPL, 2001. http://tel.archives-ouvertes.fr/tel-00101551.
Texto completoConception Assistée par Ordinateur). Ce projet a pour but d'analyser les pratiques de coopération lors de la
conception d'un projet architectural, puis de spécifier et développer un collecticiel à l'usage des acteurs du
projet. Cet outil est principalement destiné à les assister dans les activités coopératives de création de
documents. Nous pensons que ce type d'outil logiciel doit maintenant profiter à une large communauté de
professionnels du bâtiment, pour une utilisation quotidienne et dans le cadre de projets ordinaires.
C'est sur la première partie de ce projet, la spécification d'un outil informatique, que ce mémoire se penche. La
première partie informe le lecteur sur le contexte particulier de la production du cadre bâti. La deuxième partie
dresse un état de l'art d'abord des modèles de coopération pour les équipes d'ingénierie, puis de l'analyse des
collecticiels, et enfin, des collecticiels eux-mêmes. La troisième partie expose les résultats d'une expérimentation
menée avec trois étudiants en architecture sur un collecticiel généraliste ; nous en tirons des conséquences
concernant les exigences fonctionnelles d'un collecticiel adapté au contexte spécifique de la conception
collaborative. La quatrième et dernière partie formalise un modèle d'outil coopératif répondant à ces exigences
; enfin, une simulation de cette outil est donnée prenant appui sur une situation de projet réelle, l'aménagement
urbain accompagnant la première ligne de tramway à Nancy (France).
Finkenzeller, Walter J. "The OLED Emitter Ir(btp) 2 (acac) : photophysical properties of the triplet state studied by highly-resolving spectroscopy". kostenfrei, 2008. http://www.opus-bayern.de/uni-regensburg/volltexte/2009/960/.
Texto completoGervais, Caroline Moszkowicz Pierre Barna Radu. "Evaluation environnementale des perspectives de valorisation en BTP de scories de première fusion de plomb et de zinc". Villeurbanne : Institut national des sciences appliquées de Lyon, 1999. http://csidoc.insa-lyon.fr/these/1999/gervais/index.html.
Texto completoBarthet, Lucile Perrodin Yves Durrieu Claude. "Contribution à l'évaluation de l'impact sur les écosystèmes de la valorisation de résidus de procédés thermiques en BTP". Villeurbanne : Doc'INSA, 2004. http://docinsa.insa-lyon.fr/these/pont.php?id=barthet.
Texto completoBarthet, Lucile. "Contribution à l'évaluation de l'impact sur les écosystèmes de la valorisation de résidus de procédés thermiques en BTP". Lyon, INSA, 2003. http://theses.insa-lyon.fr/publication/2003ISAL0090/these.pdf.
Texto completoFor several years, Municipal Solid Waste Incineration (MSWI) bottom ash and coal fly ash have been reused in civil engineering. Although their physicochemical characteristics are very studied, the toxicity of these materials is the issue of few works. This study aims at contributing to the evaluation of the impact on the ecosystems of the valorisation of these residues of thermal processes (RTP) in road engineering. We have compared the potential toxicity of MSWI bottom ash resulting from traditional collection and MSWI bottom ash resulting from selective collection. Since physicochemical parameters of MSWI bottom ash weathering is quite important, we will see the effect of artificial carbonation on the potential toxicity. We have chosen to work with whole-cell microorganisms from the compartment of the producers (algae: Chlorella vulgaris) and from the compartment of the decomposers (yeasts: Saccharomyces cerevisiae). The use of tests using global metabolism (algae growth) and more specific tests (enzymatic activities) have allowed to compare the potential toxicity of MSWI bottom ash resulting from traditional collection and MSWI bottom ash resulting from selective collection. These bioassays have shown that artificial carbonation may decrease the potential toxicity of these MSWI bottom ash. The behavior of coal fly ash used in various scenarios of pilots of road has also been revealed. The developemnt of an optical biosensor with immobilized whole cells will enable on line and in-situ monitoring of pollutants salting out MSWI bottom ash and coal fly-ash from pilots of roads
Gervais, Caroline. "Evaluation environnementale des perspectives de valorisation en BTP de scories de première fusion de plomb et de zinc". Lyon, INSA, 1999. http://theses.insa-lyon.fr/publication/1999ISAL0036/these.pdf.
Texto completoThis research is in keeping with the general problematic of environmental assessment of porous materials containing wastes. The case of two primary lead and zinc slags, used as a partial substitute for sand in three materials (concrete, sand-cement and sand-bitumen), was studied. The developed methodology was based on the pre-standard ENV 12-920 and was designed to ensure both waste specific properties and scenario conditions. Within this methodology four steps have to be carried out to determine the leaching behavior of the material in the considered scenario (1) description of the scenario; (2) determination of the influence of fundamental parameters on leaching behavior; (3) description of environmental behavioral models; and, (4) field verification of predicted behavior. The release of lead and zinc from slags contained in the studied materials was strongly dependent on the pH evolution near the interface. The pH evolution near the interface resulted from material-scenario interactions
Da, Cruz Manuela. "Approche multi-échelle du vieillissement thermo-oxydatif du polyéthylène utilisé dans les applications de génie civil et de BTP". Thesis, Paris Est, 2015. http://www.theses.fr/2015PEST1045/document.
Texto completoThe work of this thesis focused on the multi-scale characterization of polyethylene (PE) to assess the impact of thermo-oxidative aging. This study provided a first answer about the effectiveness of some hydroperoxides titration. The results revealed a difference in hydroperoxides concentrations titrated by iodometry compared to SO2 and MDSC in the second period that correpond to the decomposition of hydroperoxides. This difference appears to be linked to the occurrence of double bond. Titration methods with SO2 and MDSC seem to be more reliable. On the macromolecular scale, the decrease of the molecular weight Mw up to an asymptotic value of two is related to the chain scission process. On the microstructural scale, the increase of Xc is linked to the annealing and the chimicristallisation process which are responsible of the formation and the thickening of secondary lamellae. During the second period, the increase of Mw is related to the decrease of Xc due to crosslinking, which is confirmed by the occurrence of the double bonds and the observation of a gel during the dissolution of HDPE. These crosslinking phenomenon takes place in the amorphous phase but also in the transition region
Berretima, Abdel-Halim. "L'accident du travail et ses effets sur les trajectoires socioprofessionnelles des travailleurs immigrés maghrébins : le cas du BTP en France". Paris, EHESS, 2008. http://www.theses.fr/2008EHES0165.
Texto completoThis thesis analyzes the industrial accidents and its effects on the social-professional trajectories of North-African immigrants workers in the construction branch industry (BTP) in France. Victims of the Industrial accidents, thèse workers, culturally and ethnically discriminated, are confronted with employers conflicts on the one hand, and institutional actors in charge of their allowance health and professional reinsertion, on the other. Part of this conflict-ridden interaction involves the institution's objective of evaluating their workforce integrity and their good gênerai and psychological health state. When their career is modifieted or interrupted due to a more or less serious health problem, thèse immigrants are temporarily or definitively set down from workforce. From that point, the sudden eut in their professional career provokes a reorganization of their families whose members have to deal with the fallout of the new social reality generated by the physical incapacity. The spouses and children get involved through individual or collective actions to counter the risk factors of group family's exclusion and insecurity. In addition to family members who assume new rôles and status following the break-up of the patriarchal model of immigrant North-African family in France, measures for subsidising and providing social support have revealed the limits of the institutionnal actors rôle, who in some cases manifest discriminatory practices toward thèse workers and their families struggling for a place, a participative membership of the global society
Boudon, Benjamin. "Méthodologie de modélisation des systèmes mécatroniques complexes à partir du multi-bond graph : application à la liaison BTP-fuselage d’un hélicoptère". Thesis, Paris, ENSAM, 2014. http://www.theses.fr/2014ENAM0064/document.
Texto completoDue to the operation of the rotor, the helicopter is subject to important vibrations affecting namely the fatigue of mechanical parts and the passengers comfort. The MGB-Fuselage joint equipped with the DAVI system is an anti-vibration system that helps to reduce, in a single frequency way, vibrations transmitted to the fuselage. Semi-active intelligent solutions are studied so that the filtering can be adjusted according to the vibration sources. Such studies suffer from a lack of tools and necessary methods, firstly, for the design of complex mechanical systems and secondly, for the development of an intelligent joint. This work proposes a modeling approach using a structural modeling tool : the multi-bond graph (MBG) which offers a global and modular view for the study of complex mechatronic systems such as helicopter. At first, an analysis of modeling tools leading to the selection of MBG is presented. Secondly, developments have focused on the MBG modeling of the 3D MGB-fuselage joint of an experimental setup which was designed and built in the laboratory. This joint is a mechanical system with kinematic loops. The equations of the dynamics of such system are a differential-algebraic system (DAE) requiring specific solving methods. The MBG model of the MGB-fuselage was simulated using the 20-sim software. The results were verified using the multibody software LMS Virtual Lab. A comparison of results obtained by the two methods led to a very good correlation to various cases of excitations of the MGB (pumping, roll, pitch). Thirdly, the MBG model was used for the establishment of semi-active control system. The model of the DAVI device also developed in 20-sim allows to adjust the position of the moving masses in operation so as to minimize the level of vibration of the fuselage. The control algorithm (gradient algorithm) enables to calculate the setpoint positions of the moving masses on the DAVI beaters. The position of the moving masses driven by an electric DC motor and a screw-nut system is then controlled to the setpoints generated by the control algorithm. Finally, the command could be implemented on a non-linear bond graph model which did not require a linearization to get a transfer function
Brahimi, Fouzia. "Influence du sentiment d'efficacité personnelle sur la formation professionnelle continue des salariés (cadres vs professions intermédiaires) dans les entreprises privées en Algérie : secteur BTP". Thesis, Aix-Marseille, 2018. http://www.theses.fr/2018AIXM0214.
Texto completoIn this research work, we will study the determining factors inherent to employees, who intervene in their decision-making to train. We wonder why some employees are able to face all obstacles and make enormous efforts to train, while others fail to overcome difficulties and give up more easily.The determinants of adults' ability to make the decision to follow continuing professional education have been of concern to researchers for several decades (Peretti 1994, Dubar 2004, Galand and Vanlède 2004, Carré and Fenouillet 2009). These authors are convinced that the CVT is a tool of evolution in the company and to do this, the employee must have the capacity to engage in this demanding process requiring a lot of effort and concentration. However, in his book "Self-efficacy:" the feeling of self-efficacy "Bandura and his collaborators (1997, 2003) carried out hundreds of research, carried out from the seventies. Through their work, they explain the reasons why individuals with the same level of study, the same intellectual abilities and the same socio-professional status act differently in the face of learning. Bandura et al. (1997, 2003) emphasize the importance of self-efficacy in deciding whether or not to engage in a CPD process
Arthaud, Geoffrey. "Apports de modèles de comparaison structurelle et sémantique à la synchronisation de la maquette numérique de construction". Phd thesis, Ecole des Ponts ParisTech, 2007. http://pastel.archives-ouvertes.fr/pastel-00004854.
Texto completoMeudtner, Robert M. "Neuartige Triazol-basierte aromatische Rückgrate für die Makromolekulare und Supramolekulare Chemie". Doctoral thesis, Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät I, 2010. http://dx.doi.org/10.18452/16057.
Texto completoOne approach to develop novel functional materials is based on the synthesis of macromolecules with characteristic properties, in particular foldamers. However, preparation and structural variation of macromolecules of controllable size and specific shape are often cumbersome and versatile synthetic routes are still needed. In this dissertation, the high efficiency of the so called “click”-reaction, i.e. the Cu(I)-catalyzed Huisgen-type 1,3-dipolar cycloaddition, has been used to design a novel class of heteroaromatic (macromolecular) scaffolds. In these structures the formed triazole moieties constitute an essential integral part rather than a mere connecting unit. In a first step, structurally varying 2,6-Bis(1-aryl-1,2,3-triazolyl-4-yl)pyridines (BTPs) have been generated in an easy and modular way. The BTP scaffold adopts a kinked conformation and therefore functions as helicogenic building block for the construction of helical foldamers. Additionally, the BTP framework is responsive towards protonation and transition metal ion complexation, thereby undergoing a significant structural change from the kinked anti-anti into the extended syn-syn conformation. The conformational switching has been investigated in solution and in the solid state but can also be visualized at the liquid-solid interface on graphite by STM imaging. The BTPs represent a novel class of pyridine-centered, tridentate ligands, which form complexes with interesting magnetic and luminescent properties by the coordination to numerous transition metal ions. Varying heteroaromatic oligomeric and polymeric foldamers with remarkable properties have been generated using the “click”-reaction as synthesis tool. The BTP building blocks, which have (partly) been integrated into the backbones, support the stability of the helical conformation and provide responsiveness towards external stimuli. Three oligomer series of different length have been synthesized and analyzed. Oligomers consisting of 17 aromatic rings, termed clickamers, fold into a helical conformation in polar solvents. One of the three clickamers shows an unexpected phenomenon of helix inversion upon interaction with chloride ions as an achiral stimulus. The corresponding polymeric strands fold into an even more stable helical conformation, which breaks up upon exposure to transition metal ions leading to coordinatively crosslinked, highly viscous gels.
CAZAL, KOUZIAN MAGGIE. "L'insertion face a l'exclusion : l'aventure des politiques perdues : l'impact de la clause d'insertion de "mieux-disant social" des marches publics du btp sur l'emploi local : (le cas de la plaine saint-denis)". Paris 12, 1999. http://www.theses.fr/1999PA120021.
Texto completoWithin the context of procurement contracts french authorities have carried some measures to hire young people without professional qualification in building sector. This policy is used to "socialise young people" who have social and professional difficulties. There are many actors who participate to follow actions of this social integration policy: organisation of reception for young job researchers, organisation of vocational training, decision-makers, orders givers, building firms. These actions are the result of local dynamic forces and labour. Institutional models are elaborated to in order to organise round of the young people's social integration. Nevertheless, variety of area divisions creates a superposition of unions and organisations. Hence, the existence of co-ordination problems between different actors of this social integration policy. Thank to this policy french authorities try to share responsibility of social advancement between state's decentralised services, local communities and building firms. Thus the building firm is the main actor of social and professional integration. The stake of this integration is based on the building site. In this context we can ask whether there is any coherence between this integration measures, system of building industry and manpower organisation of this sector too. This research is organised about the social policy applied to a regional suburban area, which is called: "la plaine saint-denis". The object of this research is to analyse young people's social and professional integration process, and to study impact of procurement contracts of building sector on local employment
Lawinski, Marek. "Entre prescriptions institutionnelles et expériences d'acteurs ; quelles productions-constructions professionnalisantes ? : Étude qualitative des interactions formation-professionnalisation : le cas de directeurs de centres de formation d'apprentis du bâtiment et des travaux publics (CFA-BTP)". Thesis, Lille 1, 2014. http://www.theses.fr/2014LIL12005/document.
Texto completoLa problematic of this research is the professionalization, built up and experienced by directors of training centres of apprentices of building and public works (CFA-BTP), which is part of a national paritary system of vocational training coordinated by the French National Committee of Cooperation and Coordination of Apprenticeship in the Construction Sector, called CCCA-BTP. Principally, it is a matter of comprehension and interpretation of different situations of interaction and of interdependence which enable these subjects and actors to develop their capacities and to advance their professional attitudes. This is a qualitative research, based on the criteria like credibility, transferability, liability and confirmation of results of the analysis where the empirical corpus, composed of the outcomes of interviews with the CFA-BTP directors and of the documents describing the institutional prescription related to the professionalization process were put together, criss-crossed and interpreted. This work permitted to understand institutional intentions and their interpretations by the subjects and actors concerned and, finally, the achievements and use done with them. In terms of results, the author supports that the professionalization of the CFA-BTP directors is principally constructed on the unforeseen aspects of the situations and experiences, which these subjects and actors have to face at work. This enables them, simultaneously, to acquire new visions of their function and to achieve new missions and professional objectives, which are in a permanent transformation
Cardoso, Francisco. "Stratégies d'entreprises et nouvelles formes de rationalisation de la production dans le bâtiment au Brésil et en France". Phd thesis, Ecole Nationale des Ponts et Chaussées, 1996. http://tel.archives-ouvertes.fr/tel-00129492.
Texto completorecherche est également la construction d'une démarche permettant d'identifier et de caractériser les facteurs clés d'efficacité à partir desquels se joue la compétition dans les deux pays.
Le travail place au centre de la réflexion les stratégies d'entreprises, et plus particulièrement les stratégies concurrentielles, définies par PORTER.
Notre thèse centrale est que l'efficacité de l'entreprise de construction est fortement associée aux gains d'efficience obtenus selon une logique technico-économique. Des gains sont acquis en agissant sur des procès, entendus comme des
regroupements cohérents dans le temps des activités qui mènent à l'obtention d'une véritable valeur ajoutée au produit-bâtiment. Ces actions se matérialisent à travers des outils et des méthodes d'organisation et de gestion. Elles portent non seulement sur des aspects locaux, mais aussi transversaux, exigeant d'intervenir aussi bien au
sein de l'entreprise de construction elle-même, qu'au niveau des acteurs du secteur et de leurs relations.
Les nouveaux enjeux concurrentiels et de marché dans le Bâtiment / Logement constituent donc l'occasion de revenir sur la problématique de l'entreprise de construction face à l'efficacité. Les pays comme le Brésil, où l'efficacité commerciale
et l'efficience financière primaient traditionnellement sur l'efficience technique, n'échappent pas à cette règle.
Matcham, William Arthur. "Association of Three Biomarkers of Nicotine as Pharmacogenomic Indices of Cigarette Consumption in Military Populations". The Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1401294932.
Texto completoLeconte, Nicolas. "Synthèse et caractérisation de molécules polyhétérocycliques azotées pour la complexation de cations metalliques polluants". Phd thesis, Université d'Orléans, 2007. http://tel.archives-ouvertes.fr/tel-00465122.
Texto completoMongeard, Laetitia. "Des gravats dans la ville : Pour une approche matérielle de la démolition". Thesis, Lyon, 2018. http://www.theses.fr/2018LYSE2137.
Texto completoWhile the city is renewing itself upon its own foundations, the process and operations inherent in this phenomenon produce a quantity of waste equivalent, if not superior, to domestic waste in the case of France. Among this demolition waste, we find rubble, piled up in mountains on emblematic work sites or shapeless piles on the side of the road in unauthorised dumps. The issue of the future of these heavy materials is regulated within a framework that demands their reuse. In urban construction, waste tends to be seen more and more as a possible deposit, an alternative to natural ressources, thinking in terms of territorial metabolism and circular economy. By studying the case of the Lyonnais conurbation, this thesis studies the process of production of this rubble, a potential secondary raw material. Demolition - an issue mainly associated with engineering science and to a lesser extent with social science and humanities including geography - is comprehended in its materiality, through the monitoring of rubble, based on a sample of work sites. Considering in turns the production of rubble and its flow, as well as the organisation and functioning of the system brought into play, this thesis examines how demolition waste can participate in urban construction. Unlike other waste, that are subjected to institutionalised treatment to fit the legal frame, rubble is considered a relative, inert waste, whose reuse depends on technical and spatial practices - mainly on a local level - from the very beginning of the demolition process. This demolition process is therefore decisive since it is responsible for the future of these materials. That process relies on a whole sector dedicated to “deconstruction”, facing challenges to adapt to a global economic context while dealing with an old activity, deeply rooted on a local level. The use of rubble in urban construction also involves reuses based on proximity. However, the implementation of a clear structuring and hierarchisation of the materials, as well as what can be done with them, seems necessary considering the sometimes conflicting interests at stake. The system transforming rubble into secondary raw materials is currently developing ans shows that its main goal will be the coordination of actors and already existing practices
Mikhailenko, Peter. "Valorization of by-products and products from agro-industry for the development of release and rejuvenating agents for bituminous materials". Thesis, Toulouse 3, 2015. http://www.theses.fr/2015TOU30094/document.
Texto completoThe growing health and environmental concerns brought on by the use of petroleum based products in the asphalt construction industry have necessitated the development of alternatives. Infrastructure, especially that involving transportation has many uses for petroleum products including, as fuel, as well as in asphalt pavement construction - where petroleum products have traditionally constituted the binder for the mix as well as the rejuvenating agents (for asphalt recycling) - along with various agents used in the construction process including bitumen removers and asphalt release agents. Thus, there is a need to replace petroleum base agents with bio-sourced and biodegradable substitutes. The present work is part of a project to develop bio-sourced (recycled from agricultural waste) products for the construction industry. This work is dedicated to developing products relating to the asphalt industry. Two types of product applications were envisioned: i) an asphalt release agent (ARA) and ii) an asphalt rejuvenating agent. Additionally, a bitumen remover (BR) developed as part of the work on the ARA. ARAs prevent asphalt from adhering to tools and equipment used in asphalt production, without producing overly negative side effects with regards to the pavement. Three principal tests methods were developed and optimized for the performance and damage to asphalt of the ARAs. The asphalt slide test was developed to quantify the performance of the ARA by sliding hot asphalt mix down a plate with the ARA applied. The testing of the damage to asphalt from ARAs consisted of testing an asphalt cylinder - in contact with an ARA for seven days - in indirect-tensile strength (ITS). The bitumen degradation test consisted of submerging a bitumen sample in an agent over a certain time and weighing the bitumen that did not dissolve in the agent. This was followed by the observation of the bitumen-ARA chemical interaction by FTIR spectrometry. This test served as an assessment of ARA damage to bitumen as well as of the performance of BRs. The testing of the commercial ARAs from both the French and USA markets found that they had two primary modes of functioning: i) by softening the bitumen and ii) by forming an interface between the asphalt and the metal surface. While some agents had elements of both, it was found that interface agents are preferable, due to the ability to use a single ARA application for multiple occasions. With this completed, a water-based bio-sourced substrate ARA - based on glycerol derived from agricultural waste - was developed. The commercially available BRs were tested as well, finding that i) the most effective BRs had the highest ester concentration and ii) that highly concentrated short chained ester (C7-10) were very effective bitumen dissolvers. The goal of rejuvenating agents is to regenerate the old bitumen from recycled asphalt pavement (RAP) by restoring the original properties and ensuring the stability of these properties over time. This part consisted of the development of methods for bitumen and aging, as well as characterization of the chemical rejuvenation of bitumen by FTIR spectrometry (including imaging) and thermogravimetric analysis. A bio-sourced rejuvenating agent was evaluated as well. For the imaging, a mastic polishing method was developed in order to attain as samples as flat as possible for the analysis. The bitumen rejuvenation was observed using FTIR spectroscopy analysis. Several peaks (notably IC=O and IS=O) were observed for bitumen oven aged up to 42 days (long term). It was found that an oven aging period of 14 days was roughly equivalent to bitumen aged by a RTFOT+PAV cycle it terms of rheology and penetration. The mastic (aged for 14 days) was then combined with a bio-sourced agent (at 7.5%w of mastic). It was found by FTIR imaging that the oxidation indicator IS=O, was reduced by the incorporation of the rejuvenating agent
Nguyen, Doan Chau Yen. "Role of deposition temperature and concentration on the self-assembly and reaction of organic molecules at the solution-graphite interface". Doctoral thesis, Universitätsbibliothek Chemnitz, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-223658.
Texto completoThe main aim of this thesis is to study the self-assembly of organic molecules at the liquid-solid interface (LSI). Special emphasis is given to controlling the process of self-assembly via suitable parameters such as: the substrate temperature during the initial deposition, the concentration of dissolved molecules, or the chemical nature of solutes and solvents. The investigations are performed using scanning tunneling microscopy (STM). The first focus of this work is the systematic investigation of the effect of the substrate temperature during the deposition out of the solution on the self-assembly of complex molecular architectures at the LSI. These investigations have been done with the planar molecule trimesic acid (TMA), and the non-planar molecule benzene 1,3,5-triphosphonic acid (BTP). We show that the polymorphism of the adsorbate structures of TMA (also with BTP) can be controlled by the substrate temperature during the deposition of the molecules out of the solution for various solvents of different polarity such as phenyloctane, octanoic acid, and undecanol. By increasing the temperature of the pre-heated graphite substrate, the specific 2D supramolecular structure and the corresponding packing density in the adsorbate layer can be precisely tuned for each kind of the solvents studied. Furthermore, the influence of the concentration on the resulting self-assembly of TMA molecules at the LSI is estimated by another experiment using stirring (from 0 h to 40 h) of the solutions of different kinds of solvents. These results demonstrate that choosing different preparation methods (increasing deposition temperatures or stirring) lead to the same tendency in the change of the self-assembled structures as well as the tuning of the packing density from which it can also be concluded that the increase of the concentration at increased deposition temperatures is also the main reason for the observed changes. The second focus of this work is the investigation of chemical reactions of self-assembling molecules. The esterification of TMA with undecanol was observed. Moreover as a first step to study twin polymerization, the oligomerization of the twin monomer 2,2’-spirobi [4H-1,3,2-benzo-dioxasiline] (SBS) was investigated by STM at the SBS-undecanol solution/graphite interface. Firstly, by ultrasonicating the solution of SBS in undecanol for different times the oligomerization of SBS monomer without any catalyst has been observed at the LSI. Secondly, the oligomerization of SBS monomer can also be initiated by the substrate temperature during the deposition of the molecules out of the solution. By stepwise increasing the temperature of the pre-heated substrate, various periodic assemblies of phenolic dimer, trimer, pentamer resin, and so on were observed. Furthermore, the effect of deposition temperature on the self-assembly of solely solvent molecules from the pure liquid at the LSI is described, which is important because the undecanol solvent molecules are always co-adsorbed with the solutes used in this work (TMA, BTP, SBS) to form linear patterns
Bertrand, Anne-Marie. "BDP et territoires". [S.l.] : [s.n.], 2003. http://www.enssib.fr/bibliotheque/documents/dcb/M-2003-RECH-21-gesret.pdf.
Texto completoAlemseged, Sador y Nooraldeen Saleem. "BTPX 305 separator". Thesis, KTH, Hållbar produktionsutveckling (ML), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-253837.
Texto completoProjektet analyserar BTPX 305, en biotechseparator utvecklad av Alfa Laval. Arbetet fokuserar på ett problem som finns i den vertikala enheten där maskinens vibrationsdämpare äger rum. Idag upplever maskinen en vibration över normala nivåer. Produkterna som maskinen brukar separera är mycket känslig för vibrationer och därför måste maskinen ofta kontrolleras på grund av slitage i dämpningsmekanismen. I rapporten används olika metoder, till exempel används TIPS (the Theory of Inventive Problem Solving) för att modellera och beskriva problemet mer detaljerat och en intern/extern forskning görs för att eventuellt hitta inspiration från andra maskiner som har lösningar för liknande problem. Lösningsidéer genererades i brainstorming sessioner som inspirerades av den informationen som samlats in från både interna och externa källor. Koncepterna anpassades sedan för att bli möjliga lösningsförslag till problemet. Med hjälp av en prioriteringsmatris bestämdes vilka av lösningsförslagen som skulle anses vara rimliga att arbeta vidare med. Ett par experiment gjordes på de koncepten som togs vidare från prioritetsmatrisen för att säkerställa att teorin fungerar i praktiken.
Wardle, Fiona Claire. "Regulation of the BMP signalling pathway by BMP-1 related metalloproteases". Thesis, University College London (University of London), 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.287477.
Texto completoCarvalho, Sara Catarina da Silva. "O papel das BMPs na regeneração óssea". Master's thesis, [s.n.], 2015. http://hdl.handle.net/10284/5139.
Texto completoO tecido ósseo quando lesado possui capacidade de regeneração. No entanto, na presença de certas patologias ou lesões, esta capacidade poderá ser comprometida. Neste contexto, a fração de uma proteína foi isolada da matriz óssea desmineralizada, denominando-se Bone Morphogenetic Proteins (BMPs) ou Proteínas Morfogenéticas do Osso; descobertas pelo Dr. Marshall Urist em 1965. Estas proteínas parecem constituir uma boa alternativa no contorno deste problema, uma vez que possuem capacidade de formar cartilagem e novo osso (inclusive osso heterotópico). O seu uso clínico foi aprovado pela Food and Drug Administration (FDA), respetivamente a BMP 7 e BMP 2. Devido ao seu potencial osteoindutivo e osteocondutivo, vários estudos in vitro e in vivo têm decorrido desde a sua descoberta. Sendo que estes fatores tornaram-se de grande interesse em várias áreas como a Ortopedia na Medicina e Cirurgia Oral na Medicina Dentária. Esta revisão bibliográfica tem como intuito o esclarecimento a partir da informação disponível acerca destas proteínas, nomeadamente, a sua constituição, mecanismos de ação, fatores condicionantes e potenciadores da sua ação, aplicações clínicas (inclusive na área da Medicina Dentária) e limitações no seu uso como fator regenerativo. Bone tissue when injured has the ability of regeneration. However, in the presence of certain pathologies or lesions, this ability can be compromised. In this context, a fraction of a protein was isolated from the demineralized bone matrix, called Bone Morphogenetic Proteins (BMPs); discovered by Dr. Marshall Urist in 1965. These proteins appear to be a good alternative to the overcome this problem, as they possess the ability to form new cartilage and bone, even heterotopic bone. Their clinical use was approved by Food and Drug Administration (FDA), respectively BMP 7 and BMP 2. Due to their osteoinductive and osteoconductive potential, several in vitro and in vivo studies have occurred since their discovery. Therefore these factors have become of great interest in various fields such as Orthopedics in Medicine and Oral Surgery in Dentistry. This literature review has the aim to clarify the available information about these proteins, namely, their constitution, mechanisms of action, conditioning factors and enhancers of their action, clinical applications (including in the field of Dentistry) and limitations of their use as a regenerative factor.
Lecomber, David. "Methods of BSP programming". Thesis, University of Oxford, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.299799.
Texto completoBouland, Adam Michael. "The space around BQP". Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/113997.
Texto completoCataloged from PDF version of thesis.
Includes bibliographical references (pages 253-268).
This thesis explores the computational power of quantum devices from the perspective of computational complexity theory. Quantum computers hold the promise of solving many problems exponentially faster than classical computers. The computational power of universal quantum devices is captured by the complexity class BQP, which stands for "bounded-error quantum polynomial time." We hope that quantum devices will be capable of the full power of BQP in the long term. However, quantum computers are difficult to build, so the experimental devices of the near future may be incapable of universal quantum computation. As a result, a number of recent works have studied "weak" models of quantum computers which lie "below BQP." The first part of this thesis examines the space "below BQP" and describes a number of sub-universal models of quantum computation which can nevertheless perform sampling tasks which are difficult for classical computers. We show that prior models maintain hardness when their set of quantum operations is restricted, and describe two new models of "weak" quantum computation which also show advantage over classical devices. A major theme in this work is that almost any weak device can perform hard sampling tasks. We find that almost any model which is not universal, but not known to be efficiently classically simulable, admits a speedup over classical computing for sampling tasks under plausible assumptions. This work can be seen as progress towards classifying the power of all restricted quantum gate sets. On the other hand, quantum gravity theorists have considered modifying quantum mechanics to resolve the black hole information paradox. Inspired by these debates, the second part of this thesis explores the computational power of modified theories of quantum mechanics. We find that almost all modifications allow for drastically more power than BQP i.e. these modifications lie "above BQP" - and we find that these speedups may be related to superluminal signaling in these models. Surprisingly, we find one model which is only slightly more powerful than BQP. Inspired by this model, we study and resolve an open problem in classical complexity related to the power of statistical-zero knowledge proof systems.
by Adam Michael Bouland.
Ph. D.
Luque, Rodrigo Gheller. "Árvores BSP semi-ajustáveis". reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2005. http://hdl.handle.net/10183/17349.
Texto completoThe broad-phase step of collision detection in scenes composed of n moving objects is a challenging problem because enumerating collision pairs has an inherent O(n²) complexity. Spatial data structures are designed to accelerate this process, but often their static nature makes it difficult to handle dynamic scenes. In this work we propose a new structure called Semi-Adjusting BSP-tree for representing scenes composed of thousands of moving objects. A scheduling algorithm evaluates locations where the BSP-tree becomes unbalanced, uses several strategies to alter cutting planes, and defers updates based on their re-structuring cost. We show that the tree does not require a complete re-structuring even in highly dynamic scenes, but adjusts itself while maintaining desirable balancing and height properties.
Novák, Adrián. "Modelování a simulace BGP". Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2019. http://www.nusl.cz/ntk/nusl-403147.
Texto completoJohansson, Robert. "Utbildning och BNP tillväxt". Thesis, Södertörns högskola, Nationalekonomi, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:sh:diva-34378.
Texto completoGomes, Francisco. "Millennium BCP: precarious environment". Master's thesis, NSBE - UNL, 2013. http://hdl.handle.net/10362/9877.
Texto completoIsrar, Junaid. "Design of Lightweight Alternatives to Secure Border Gateway Protocol and Mitigate against Control and Data Plane Attacks". Thèse, Université d'Ottawa / University of Ottawa, 2012. http://hdl.handle.net/10393/22812.
Texto completoAramaki, Toshihiro. "Jiraiya Attenuates BMP Signaling by Interfering with Type-II BMP Receptors in Neuroectodermal Patterning". Kyoto University, 2011. http://hdl.handle.net/2433/142060.
Texto completo